Thelypteris Palustris is a scientific name for a type of fern commonly known as marsh fern. It belongs to the family Thelypteridaceae and is primarily found in North America, Europe, and Asia. Marsh ferns are known for their delicate, lacy foliage and are typically found in wetlands and marshes. Synonyms for Thelypteris Palustris include Lady Fern, Marsh Shield Fern, and Dagger Fern. These names are often used interchangeably with Thelypteris Palustris, as they all refer to the same plant species. Regardless of the name used, marsh ferns are a beautiful addition to any garden and are beloved by nature enthusiasts and horticulturists alike.